Unusual Phase Diagram of CeOs4Sb12 | Zendy

Pei-Chun Ho | Zendy; Paul Goddard | Zendy; M Brian Maple | Zendy; John Singleton | Zendy

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Unusual Phase Diagram of CeOs<sub>4</sub>Sb<sub>12</sub>

Author(s) -

Pei-Chun Ho,

Paul Goddard,

M Brian Maple,

John Singleton

Publication year - 2017

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/1345909

Subject(s) - skutterudite , antiferromagnetism , phase diagram , lanthanide , alkali metal , ferromagnetism , superconductivity , phase (matter) , alkaline earth metal , condensed matter physics , crystallography , materials science , chemistry , physics , thermoelectric materials , thermoelectric effect , thermodynamics , ion , organic chemistry

Filled skutterudite compounds, with the formula MT4X12, where M is an alkali metal, alkaline-earth, lanthanide, or actinide, T is Fe, Ru, or Os, and X is P, As, or Sb, display a wide variety of interesting phenomena caused by strong electron correlations [1]. Among these, the three compounds CeOs4Sb12, PrOs4Sb12, and NdOs4Sb12, formed by employing Periodic Table neighbors for M, span the range from an antiferromagnetic (AFM) semimetal (M = Ce) via a 1.85 K unconventional (quadrupolar-fluctuation mediated) superconductor (M = Pr) to a 1 K ferromagnet (FM; M = Nd) [1]. In the course of an extended study of these compounds, we uncovered an unusual phase diagram for CeOs4Sb12 [1].

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